Composition of Certain Financial Statement Items - Schedule of Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssets
Operating lease right-of-use assets	$ 72,164	$ 75,254
Identifiable intangible assets, net	45,012	51,371
Real estate owned	42,173	46,717
Income tax deposit	35,853	5,822
Deferred tax assets	33,202	24,134
Prepaid expenses	26,717	22,272
Service fee receivables	26,539	27,705
Other financial receivables	12,238	17,308
Other	55,264	58,640
Total	$ 349,162	$ 329,223